Contribution to cover C++11 functionality

[Jethro via Digitalmars-d]

On Thursday, 1 December 2016 at 13:42:32 UTC, Joseph Rushton 
Wakeling wrote:
> On Wednesday, 30 November 2016 at 21:12:16 UTC, Ilya Yaroshenko 
> wrote:
>> [...]
>
> Not really.  I would use "randomly chosen distribution" for 
> that.
>
> [...]

There is a problem with `distribution` in that it also has other 
meanings. `Random variable` is pretty well established